tofsee | ac5364943ce772981848a4b8b0093ef8dd0427bc32f0424b1cd1964e04d948b6

Analysis

max time kernel
146s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-09-2024 00:18

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General

Target

e5d35b9f9e694af69ed798d96405ef26_JaffaCakes118.exe
Size

10.2MB
MD5

e5d35b9f9e694af69ed798d96405ef26
SHA1

3dcb74328e61cadef3fa47b8424643887dccf976
SHA256

ac5364943ce772981848a4b8b0093ef8dd0427bc32f0424b1cd1964e04d948b6
SHA512

f7bc9e348fd9a8a52676839d0b940699309e94a8691e0f11611aec7989a27ffe934742b33e275473c92f68b6712c1b28aa43b902593a861906214e8019aaceeb
SSDEEP

196608:Hffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff/:

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

defeatwax.ru

refabyd.info

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\hnlwtnoe = "0"	svchost.exe

Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2616	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\hnlwtnoe\ImagePath = "C:\\Windows\\SysWOW64\\hnlwtnoe\\ydzrpse.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1776	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2560	ydzrpse.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2560 set thread context of 1776	2560	ydzrpse.exe	43

Launches sc.exe 3 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2656	sc.exe
2832	sc.exe
2728	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e5d35b9f9e694af69ed798d96405ef26_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ydzrpse.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2180 wrote to memory of 2800	2180	e5d35b9f9e694af69ed798d96405ef26_JaffaCakes118.exe	30
PID 2180 wrote to memory of 2800	2180	e5d35b9f9e694af69ed798d96405ef26_JaffaCakes118.exe	30
PID 2180 wrote to memory of 2800	2180	e5d35b9f9e694af69ed798d96405ef26_JaffaCakes118.exe	30
PID 2180 wrote to memory of 2800	2180	e5d35b9f9e694af69ed798d96405ef26_JaffaCakes118.exe	30
PID 2180 wrote to memory of 2736	2180	e5d35b9f9e694af69ed798d96405ef26_JaffaCakes118.exe	32
PID 2180 wrote to memory of 2736	2180	e5d35b9f9e694af69ed798d96405ef26_JaffaCakes118.exe	32
PID 2180 wrote to memory of 2736	2180	e5d35b9f9e694af69ed798d96405ef26_JaffaCakes118.exe	32
PID 2180 wrote to memory of 2736	2180	e5d35b9f9e694af69ed798d96405ef26_JaffaCakes118.exe	32
PID 2180 wrote to memory of 2656	2180	e5d35b9f9e694af69ed798d96405ef26_JaffaCakes118.exe	34
PID 2180 wrote to memory of 2656	2180	e5d35b9f9e694af69ed798d96405ef26_JaffaCakes118.exe	34
PID 2180 wrote to memory of 2656	2180	e5d35b9f9e694af69ed798d96405ef26_JaffaCakes118.exe	34
PID 2180 wrote to memory of 2656	2180	e5d35b9f9e694af69ed798d96405ef26_JaffaCakes118.exe	34
PID 2180 wrote to memory of 2832	2180	e5d35b9f9e694af69ed798d96405ef26_JaffaCakes118.exe	36
PID 2180 wrote to memory of 2832	2180	e5d35b9f9e694af69ed798d96405ef26_JaffaCakes118.exe	36
PID 2180 wrote to memory of 2832	2180	e5d35b9f9e694af69ed798d96405ef26_JaffaCakes118.exe	36
PID 2180 wrote to memory of 2832	2180	e5d35b9f9e694af69ed798d96405ef26_JaffaCakes118.exe	36
PID 2180 wrote to memory of 2728	2180	e5d35b9f9e694af69ed798d96405ef26_JaffaCakes118.exe	38
PID 2180 wrote to memory of 2728	2180	e5d35b9f9e694af69ed798d96405ef26_JaffaCakes118.exe	38
PID 2180 wrote to memory of 2728	2180	e5d35b9f9e694af69ed798d96405ef26_JaffaCakes118.exe	38
PID 2180 wrote to memory of 2728	2180	e5d35b9f9e694af69ed798d96405ef26_JaffaCakes118.exe	38
PID 2180 wrote to memory of 2616	2180	e5d35b9f9e694af69ed798d96405ef26_JaffaCakes118.exe	41
PID 2180 wrote to memory of 2616	2180	e5d35b9f9e694af69ed798d96405ef26_JaffaCakes118.exe	41
PID 2180 wrote to memory of 2616	2180	e5d35b9f9e694af69ed798d96405ef26_JaffaCakes118.exe	41
PID 2180 wrote to memory of 2616	2180	e5d35b9f9e694af69ed798d96405ef26_JaffaCakes118.exe	41
PID 2560 wrote to memory of 1776	2560	ydzrpse.exe	43
PID 2560 wrote to memory of 1776	2560	ydzrpse.exe	43
PID 2560 wrote to memory of 1776	2560	ydzrpse.exe	43
PID 2560 wrote to memory of 1776	2560	ydzrpse.exe	43
PID 2560 wrote to memory of 1776	2560	ydzrpse.exe	43
PID 2560 wrote to memory of 1776	2560	ydzrpse.exe	43

C:\Users\Admin\AppData\Local\Temp\e5d35b9f9e694af69ed798d96405ef26_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e5d35b9f9e694af69ed798d96405ef26_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hnlwtnoe\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2800
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ydzrpse.exe" C:\Windows\SysWOW64\hnlwtnoe\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2736
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hnlwtnoe binPath= "C:\Windows\SysWOW64\hnlwtnoe\ydzrpse.exe /d\"C:\Users\Admin\AppData\Local\Temp\e5d35b9f9e694af69ed798d96405ef26_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2656
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hnlwtnoe "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2832
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hnlwtnoe
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2728
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:2616

C:\Windows\SysWOW64\hnlwtnoe\ydzrpse.exe
C:\Windows\SysWOW64\hnlwtnoe\ydzrpse.exe /d"C:\Users\Admin\AppData\Local\Temp\e5d35b9f9e694af69ed798d96405ef26_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2560
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1776

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\ydzrpse.exe

Filesize
11.4MB

MD5
99ed26a9e98373073669c37af1d95023

SHA1
1719574a8acb658ae28e67725389e3b926a4a624

SHA256
8a613a75f08b1b2345187df164558cb588fd10544f09eaff3479d6462cbe72d1

SHA512
9bcc599b076a341a275997aa267973e995d0bbabdf0d6d44918c45cf4f5c01cd25c5589d445bcfc4666f6b38ec6a6341acc25bd99a4bdcdbfad04cee1f1a4624

Download Submit
memory/1776-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1776-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1776-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1776-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1776-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2180-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2180-2-0x00000000003C0000-0x00000000003D3000-memory.dmp

Filesize
76KB

Download
memory/2180-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2180-9-0x00000000003C0000-0x00000000003D3000-memory.dmp

Filesize
76KB

Download
memory/2180-8-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2180-1-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download
memory/2560-17-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads